#!/usr/bin/env python

# Copyright 2012 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Exposing public keys."""

import json

from base import BaseHandler
from google.appengine.api.app_identity import app_identity
from lib import http

__author__ = 'Maciej Machulak'
__maintainer__ = 'Maciej Machulak'
__email__ = 'mmachulak@google.com'

__copyright__ = 'Copyright 2012, Google Inc.'
__license__ = 'Apache License 2.0'
__version__ = '0.2'
__status__ = 'Prototype'


class CertsHandler(BaseHandler):
  """Handles requests for public key certificates."""

  def get(self):
    """Handles GET requests for public key certificates."""

    certs = app_identity.get_public_certificates()
    self.response.headers[http.Header.content_type] = http.ContentType.json
    cert_map = {}
    for cert in certs:
      cert_map[cert.key_name] = cert.x509_certificate_pem

    self.response.out.write(json.dumps(cert_map))
    return
